.config{
    width: 100%;
    height: 600px;
    font-size: 50px;
    /* text-align: center; */
    color: #fff;
}
.config input{
    width:100px;
}
.center {
    /* width: 500px; */
    margin-left: 35%;
    /* display: flex;
    flex-direction: column;
    text-align: center; */
}
.config-btn{
    margin-left: 45%;
}